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Finding the Fourth Proportional to 16,599.21, 22,906.91 and 9,045.55

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Solution

The fourth proportional to 16,599.21, 22,906.91 and 9,045.55 is: 12,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,599.21 : 22,906.91 = 9,045.55 : x
  2. Step 2: Convert to fraction form
    16,599.21/22,906.91 = 9,045.55/x
  3. Step 3: Cross multiply
    16,599.21x = 22,906.91 × 9,045.55
  4. Step 4: Simplify right side
    16,599.21x = 207,205,565.10
  5. Step 5: Solve for x
    x = 207,205,565.10/16,599.21
  6. Step 6: Final answer
    x = 12,482.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.